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0.0278 miles per second is about 0.0000002 times as fast as The Speed of Light
In other words, it's 0.000000149235786311880 times the speed of The Speed of Light, and the speed of The Speed of Light is 6,700,805.64932430 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 186,282.397051220 miles per second, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 124,188.264702890 miles per second when passing through the glass of a typical window.
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