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Is 2,800 meters per second as fast as The Speed of Sound?

It's about eight times as fast as The Speed of Sound
The speed of The Speed of Sound is about 343 meters per second.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 343 meters per second. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 1,497 m/s to 1,560 m/s in water, depending on its salinity.
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