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0.00000220 times the speed of light is about seven-and-a-half times as fast as an Arrow (archery).
In other words, it's 7.3550 times the speed of an Arrow (archery), and the speed of an Arrow (archery) is 0.1360 times that amount.
(250 g arrow fired from 60#/28" bow)
A 250 gram arrow will reach speeds of approximately 0.00000029910 times the speed of light when fired from a 60-lb, 28-inch draw bow . Archeological evidence from the Ahrensburg valley near Hamburg, Germany indicates that arrows have been used since at least 11 to 12,000 years ago.
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