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How fast is 339 yards per hour?

It's about one-four-thousand-five-hundredth as fast as a Bullet (Handgun)
The speed of a Bullet (Handgun) is about 1,510,000 yards per hour.
(for .40 Smith & Wesson 135 grain Sierra JHP, VV 3N37 powder, Fed. 100 primer, Remington case) (muzzle velocity)
A 0.40 caliber Smith & Wesson bullet has a muzzle a velocity of 1,510,000 yards per hour. This type of ammunition has been the standard issue round of the United States Federal Bureau of Investigation (FBI) since 1990.
It's about one-seven-thousand-five-hundredth as fast as a Jet Fighter
The speed of a Jet Fighter is about 2,600,000 yards per hour.
(for Lockheed Martin F-16, a.k.a. Fighting Falcon, a.k.a. Viper) (maximum speed at altitude)
An F-16's maximum speed at altitude is approximately 2,600,000 yards per hour. The F-16 has a flight ceiling of approximately 15 km (9.32 mi).
It's about one-ten-thousandth as fast as a Bullet (Rifle)
The speed of a Bullet (Rifle) is about 3,600,000 yards per hour.
(5.56 x 45 mm, a.k.a. 5.56 NATO)
A 5.56 x 45 mm cartridge is fired at a velocity of 3,600,000 yards per hour. As the NATO rifle cartridge, it is used by the military forces of more than thirty-one countries, including use in the M16 series, M4 Carbine, HK-416, and M249 Squad automatic weapons used by the United States armed forces.
It's about one-ninety-thousandth as fast as The Space Shuttle
The speed of The Space Shuttle is about 30,487,000 yards per hour.
(Orbiter vehicle velocity)
The space shuttle orbits at a speed of 30,487,000 yards per hour. During liftoff, the space shuttle accelerates to orbital speed in 8.5 minutes, consuming over 1.59 million kg (3.51 million lbs) of propellant in the process.
It's about one-five-hundred-thousandth as fast as a Meteor
The speed of a Meteor is about 170,000,000 yards per hour.
(formally Meteoroid or meteorite, depending on the context; a.k.a. "shooting star", a.k.a. "falling star")
Small meteoroids enter the Earth's atmosphere at speeds between 44,000,000 yards per hour and 280,000,000 yards per hour, depending on their size. The fireball effect, known as ablation, ceases once the atmosphere has slowed the meteoroid to a velocity of about 11,000,000 yards per hour.
It's about 0.0000009 times as fast as a bolt of Lightning
The speed of a bolt of Lightning is about 390,000,000 yards per hour.
(atmospheric electrical discharge)
A bolt of lightning can travel at up to 380,000,000 yards per hour when arcing from the atmosphere to the Earth. An estimated 280 million lightning strikes strikes occur each year.
It's about 2,000,000 times as fast as Grass growing
The speed of Grass growing is about 0.00016 yards per hour.
(for Kentucky Bluegrass, Poa pratensis) (a.k.a. Smooth Meadow grass, a.k.a. Common Meadow grass) (Summer months, ideal growing conditions)
Kentucky Bluegrass, one of the most common grasses in North America, grows about 0.00017 yards per hour in the summer months under ideal conditions. When left un-mowed, Kentucky Bluegrass grows to heights of 60 to 90 cm (2 to 3 ft) and blossoms with a blue flower.
It's about 0.0000000003 times as fast as The Speed of Light
The speed of The Speed of Light is about 1,180,285,267,716.50 yards per hour.
(C) (in a vacuum)
The speed of light (and all other electromagnetic radiation) in a perfect vacuum is known as "c" and measures 1,180,285,267,716.50 yards per hour, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 786,856,845,157.480 yards per hour when passing through the glass of a typical window.
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