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272.50 centimeters per second is about 0.000000009 times as fast as The Speed of Light.
In other words, it's 0.00000000908962159414960 times the speed of The Speed of Light, and the speed of The Speed of Light is 110,015,580.917430 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.
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