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How fast is 560 centimeters per second?

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It's about one-twenty-thousandth as fast as a bolt of Lightning
In other words, the speed of a bolt of Lightning is 18,000 times 560 centimeters per second.
(atmospheric electrical discharge)
A bolt of lightning can travel at up to 9,700,000 centimeters per second when arcing from the atmosphere to the Earth. An estimated 280 million lightning strikes strikes occur each year.
It's about 0.00000002 times as fast as The Speed of Light
In other words, 560 centimeters per second is 0.0000000186795893310970 times the speed of The Speed of Light, and the speed of The Speed of Light is 53,534,367.4999990 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 29,979,245,800 centimeters per second, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 19,986,163,867 centimeters per second when passing through the glass of a typical window.
It's about 150,000,000 times as fast as Grass growing
In other words, the speed of Grass growing is 0.00000000710 times 560 centimeters per second.
(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 0.00000420 centimeters 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.