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Rockets commonly attain speeds faster than the speed of sound. Ordinary passenger airplanes do not. A "sonic boom" similar to thunder can be heard when an object "breaks the sound barrier" and travels faster than the speed of sound.
Rockets commonly attain speeds faster than the speed of sound. Ordinary passenger airplanes do not. A "sonic boom" similar to thunder can be heard when an object "breaks the sound barrier" and travels faster than the speed of sound.
[[category:military]]
[[Category:Military]]