Is 72 kilometers per second as fast as The Speed of Sound?
It's about 200 times as fast as The Speed of Sound
The speed of The Speed of Sound is about 0.3430 kilometers per second.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 0.3430 kilometers per second. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 1.50 kilometers per second to 1.560 kilometers per second in water, depending on its salinity.
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