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0.9690 miles per second is about four-and-a-half times as fast as The Speed of Sound
In other words, it's 4.550 times the speed of The Speed of Sound, and the speed of The Speed of Sound is 0.220 times that amount.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 0.2130 miles per second. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 0.930 miles per second to 0.9690 miles per second in water, depending on its salinity.
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