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How fast is 4.710 mach?

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It's about 25,000 times as fast as a Sloth.
In other words, the speed of a Sloth is 0.0000430 times 4.710 mach.
(for Brown-throated three-toed sloth, Bradypus variegatus)
The three-toed sloth moves along the ground at an average speed of 0.0002 mach. 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 one-two-hundred-thousandth as fast as The Speed of Light.
In other words, 4.710 mach is 0.000005208990780 times the speed of The Speed of Light, and the speed of The Speed of Light is 191,975.7670 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 exactly 904,205.8620 mach, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 602,803.9080 mach when passing through the glass of a typical window.
It's about 40,000,000,000 times as fast as Grass growing.
In other words, 4.710 mach is 39,000,000,000 times the speed of Grass growing, and the speed of Grass growing is 0.0000000000260 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 0.000000000130 mach 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.