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How fast is 890.80 feet per second?

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It's about 4,000 times as fast as a Sloth
In other words, 890.80 feet per second is 4,100 times the speed of a Sloth, and the speed of a Sloth is 0.0002 times that amount.
(for Brown-throated three-toed sloth, Bradypus variegatus)
The three-toed sloth moves along the ground at an average speed of 0.220 feet per second. Long thought to be lengthy sleepers, a 2008 study concluded that sloths sleep an average of only 9.6 hours per day.
It's about 0.0000009 times as fast as The Speed of Light
In other words, 890.80 feet per second is 0.00000090567935501566 times the speed of The Speed of Light, and the speed of The Speed of Light is 1,104,143.529895 times that amount.
(C) (in a vacuum)
The speed of light (and all other electromagnetic radiation) in a perfect vacuum is known as "c" and measures 983,571,056.430450 feet per second, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 655,714,037.631230 feet per second when passing through the glass of a typical window.
It's about 7,000,000,000 times as fast as Grass growing
In other words, 890.80 feet per second is 6,800,000,000 times the speed of Grass growing, and the speed of Grass growing is 0.00000000015 times that amount.
(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 0.000000140 feet per second 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.