sound barrier :

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sound barrier

  • n  the increase in aerodynamic drag as an airplane approaches the speed of sound
News & Articles

  • Model rocket may exceed Mach 1
    Can a 4½-foot model rocket designed and built by Titusville Civil Air Patrol cadets break the sound barrier? Cadets will ignite the rocket’s engine about noon today at the Spaceport Rocketry Association’s launch site off Bombardier Boulevard in southwestern Palm Bay.
    June 15, 2013 - The Bay Bulletin

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