Correction for the speed of The Speed of Sound
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How fast is 464 knots?
It's about seven-tenths 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.