How fast in mph is the speed of sound?


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The speed of sound at sea level is 761.207 miles per hour. That's 340.29 meters per second! Got more questions? ChaCha!

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The speed of sound is 761.2 mph. Thanks for using ChaCha!

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The sound barrier is generally defined as 1,088 ft per second (about 742 mph) at sea level at 32F. ChaCha!

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