Is 692 centimeters per hour as fast as The Speed of Sound?
It's about one-two-hundred-thousandth as fast as The Speed of Sound
The speed of The Speed of Sound is about 123,000,000 centimeters per hour.
(in dry air at 20°C)
The speed of sound in dry air at 20°C (68°F) is 123,000,000 centimeters per hour. Air is a relatively poor acoustic conductor, however, as sound will travel at speeds of between 539,000,000 centimeters per hour to 562,000,000 centimeters per hour in water, depending on its salinity.
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