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Is 140,000 knots 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 667 knots.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 667 knots. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 2,910 knots to 3,030 knots in water, depending on its salinity.
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