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Is 349 kilometers per second as fast as The Speed of Light?

It's about one-eight-hundred-fiftieth as fast as The Speed of Light
The speed of The Speed of Light is about 299,792.4580 kilometers per second.
(C) (in a vacuum)
The speed of light (and all other electromagnetic radiation) in a perfect vacuum is known as "c" and measures 299,792.4580 kilometers per second, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 199,861.638670 kilometers per second when passing through the glass of a typical window.
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