How fast is 0.000000263 times the speed of light?
It's about as fast as a Helicopter
The speed of a Helicopter is about 0.0000002630 times the speed of light.
(for AH-64A Apache, a.k.a. Hughes Model 77) (maximum cruise speed)
The AH-64 helicopter, one of the primary helicopters used by the United States Army, flies at a top cruise speed of 0.0000002630 times the speed of light. The AH-64 is the primary military helicopter of several nations including the United States, the United Kingdom, Israel, Japan, and the Netherlands.
It's about one-and-one-tenth times as fast as a Skydiver (headfirst)
The speed of a Skydiver (headfirst) is about 0.000000240 times the speed of light.
(Head-to-Earth orientation or standing, average conditions, terminal velocity)
A head-to-Earth or standing-oriented skydiver's terminal velocity assuming average conditions is about 0.000000240 times the speed of light. In a typical jump from 3,900 m (13,000 ft), a diver in this orientation will be in freefall for 46 seconds.
It's about nine-tenths as fast as a Lamborghini Gallardo
The speed of a Lamborghini Gallardo is about 0.000000300 times the speed of light.
(for Gallardo LP 550-2, a.k.a. Valentino Balboni, 2009 model)
The Lamborghini Gallardo LP550-2 model Gallardo has a top speed of 0.000000300 times the speed of light. The Gallardo can reach speeds of 0.0000000930 times the speed of light in just 3.9 seconds.
It's about nine-tenths as fast as The TGV (train)
The speed of The TGV (train) is about 0.000000300 times the speed of light.
(Train à Grande Vitesse) (for SNCF TGV Réseau, a.k.a. "Network" model, a.k.a. TGV-R) (maximum speed)
The TGV Réseau sets have a top speed of 0.000000300 times the speed of light. The train is capable of travelling the 425 km (264 mi) distance from Paris to Lyon in East-Central France in about two hours.
It's about nine-tenths as fast as an Arrow (archery)
The speed of an Arrow (archery) is about 0.00000029910 times the speed of light.
A 250 gram arrow will reach speeds of approximately 0.00000029910 times the speed of light when fired from a 60-lb, 28-inch draw bow . Archeological evidence from the Ahrensburg valley near Hamburg, Germany indicates that arrows have been used since at least 11 to 12,000 years ago.
It's about nine-tenths as fast as a Porsche 911
The speed of a Porsche 911 is about 0.0000003050 times the speed of light.
(for Porsche 911 Type 997 GT2, 2007 model)
The Porsche 911 GT2 has a top speed of 0.0000003050 times the speed of light. It takes just 7.4 seconds for the GT2 to accelerate to 0.0000001490 times the speed of light.
It's about four-fifths as fast as The CRH (train)
The speed of The CRH (train) is about 0.000000320 times the speed of light.
(a.k.a. Hexie Hao, 和谐号, a.k.a. 和諧號, a.k.a. Héxié Hào, a.k.a. "Harmony")
The CRH-3 train which runs on China's Beijing-Tianjin Intercity Railway are capable of speeds up to 0.000000320 times the speed of light. Theses train can make the 120 km (74 mi) journey from Beijing to Tianjin in about 30 minutes.
It's about three-fourths as fast as a Peregrine Falcon
The speed of a Peregrine Falcon is about 0.000000360 times the speed of light.
(a.k.a. Peregrine, a.k.a. Duck Hawk, Falco peregrinus)
The Peregrine Falcon can reach speeds of up to 0.000000360 times the speed of light when diving. Falcons are sometimes sent to scare smaller birds away from airports to improve air traffic safety and were used in World War II to intercept carrier pigeons used by enemy forces.
It's about one-and-two-fifths times as fast as a Tornado
The speed of a Tornado is about 0.00000018415890 times the speed of light.
(EF2) (wind speed range average)
According to the Enhanced Fujita scale implemented by the US National Oceanographic and Atmospheric Administration, a "significant" tornado has an Enhanced Funjita scale classification of EF2 and is characterized by wind gust speeds between 0.00000016402810 times the speed of light and 0.00000020428960 times the speed of light. The largest recorded tornado — an F4 event occurring in Nebraska in May, 2004 — was almost 4.02 km (2.5 mi) across.
It's about one-and-a-half times as fast as a Skydiver (belly-to-earth)
The speed of a Skydiver (belly-to-earth) is about 0.000000180 times the speed of light.
(Belly-to-Earth orientation, average conditions, terminal velocity)
A belly-to-Earth oriented skydiver's terminal velocity is about 0.000000180 times the speed of light. In a typical jump from 3,900 m (13,000 ft), a diver in this orientation will be in freefall for 60 seconds.
It's about one-and-nine-tenths times as fast as a Fastball (baseball)
The speed of a Fastball (baseball) is about 0.000000140 times the speed of light.
(a.k.a. rising fastball, a.k.a. cross-seam fastball, a.k.a. heater, a.k.a. hummer, a.k.a. smoker; for four-seam grip) (major league average)
The average speed of major league fastball pitch is 0.000000140 times the speed of light. When up against the quickest professional fastball pitchers, a batter may have less than 0.4 seconds to react to a pitched ball.
It's about two-and-a-half times as fast as a Curveball (baseball)
The speed of a Curveball (baseball) is about 0.000000110 times the speed of light.
(a.k.a. hook, a.k.a. hammer, a.k.a. yakker) (major league average)
The average speed of major league curveball pitch is 0.000000110 times the speed of light. In the 1940's, debate over whether there really was a curve in the curveball pitch was settled with the conclusion that the ball does curve; however, an optical illusion caused by the spin of the ball and the batter's perception of motion exaggerates the extent of the curve.
It's about two-and-a-half times as fast as a Hurricane
The speed of a Hurricane is about 0.000000110 times the speed of light.
(formally: Topical cyclone; a.k.a. typhoon)
A hurricane is defined by the US National Hurricane Center as a Northern Hemisphere tropical storm having one-minute average wind-speeds of at least 0.000000110 times the speed of light. Typhoons Tip (October, 1979) and Keith (October, 1997) and Hurricanes Camille (August, 1969) and Allen (August, 1980) jointly hold the record for highest tropical storm wind speeds at 0.0000002870 times the speed of light.
It's about two-and-a-half times as fast as a Cheetah
The speed of a Cheetah is about 0.00000010240 times the speed of light.
(Acinonyx jubatus)
The cheetah can reach speeds of up to 0.00000010240 times the speed of light in short bursts. From a crouching position, the cheetah can attain these speeds in just 2.25 seconds.
It's about two-and-a-half times as fast as a Knuckleball (baseball)
The speed of a Knuckleball (baseball) is about 0.0000001000 times the speed of light.
(a.k.a. knuckler, a.k.a. floater, a.k.a. dancer, a.k.a. butterfly ball) (major league average)
The average speed of major league knuckleball pitch is 0.0000001000 times the speed of light. Eddie Cicotte, who was later implicated in the 1919 Black Sox scandal, is credited with developing the pitch ca. 1906.