Correction for the speed of The Speed of Light
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How fast is 56,350 furlongs per fortnight?
It's about 0.00000003 times as fast as The Speed of Light
The speed of The Speed of Light is about 1,802,617,499,780.10 furlongs per fortnight.
(C) (in a vacuum)
The speed of light (and all other electromagnetic radiation) in a perfect vacuum is known as "c" and measures 1,802,617,499,780.10 furlongs per fortnight, per the formal definition of the meter. While visible light travels close to this speed in air, it slows to 1,201,744,999,873.40 furlongs per fortnight when passing through the glass of a typical window.