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speed of sound

NOUN
Mach number
Synonyms


Example Sentences

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In the case of the X-1, flown through the sound barrier in 1947 by the legendary test pilot Chuck Yeager, Nasa knew a .50 calibre bullet travelled faster than the speed of sound.

From BBC ● Sep. 24, 2026

At the end of this year, Krot said, his drones will start using turbojet engines and fly at close to the speed of sound.

From The Wall Street Journal ● Sep. 1, 2026

Among the weapons Russia used at the weekend was its Oreshnik hypersonic missile, which can travel 10 times the speed of sound and is capable of carrying nuclear warheads, according to Moscow.

From Barron's ● May 26, 2026

The team exposed yeast cells to shock waves reaching 5.6 times the speed of sound.

From Science Daily ● Apr. 12, 2026

“At the speed of sound, or is it more like a jetliner? Does it fly direct, or will it have to lay over in Minneapolis?”

From "Educated" by Tara Westover




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