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534 times the speed of light is about 550 times as fast as The Speed of Light.
In other words, it's 534 times the speed of The Speed of Light, and the speed of The Speed of Light is 0.00187265918 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 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 0.6666666670 times the speed of light when passing through the glass of a typical window.
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