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Correction for the speed of The Speed of Light

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How fast is 534 times the speed of light?
It's about 550 times as fast as The Speed of Light
The speed of The Speed of Light is about 1 times the speed of light.
(C) (in a vacuum)
The speed of light (and all other electromagnetic radiation) in a perfect vacuum is known as "c" and measures 299,792,458 m/s, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 0.666666666677790 times the speed of light when passing through the glass of a typical window.
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