supersonic speed:

More on supersonic speed from Fact Monster:

• sonic boom - sonic boom sonic boom, shock waveproduced by an object moving through the air at supersonic speed, ...
• aerodynamics: Creation of Shock Waves - Creation of Shock Waves Above speeds of Mach .7 the air flowing over the wing accelerates above the ...
• airplane: Developments in Airplane Design - Developments in Airplane Design Early attempts were made to build flying machines according to the ...
• Experimental and Spy Planes: Lockheed SR-71 Blackbird - The plane that literally grew several inches at Mach 3
• SOUND - What would our world be like without sound? Complete silence might seem peaceful, but there would be no speech, music, or birdsong. Sound is a type of

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