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The Epic Interactive Encyclopedia 1998
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Epic Interactive Encyclopedia, The - 1998 Edition (1998)(Epic Marketing).iso
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Sound_barrier
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INFOTEXT
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1992-09-02
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316b
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10 lines
The sound barrier is a concept that the speed
of sound, or sonic speed about 1,220kph
(760mph) at sea level, constitutes a speed
limit to flight through the atmosphere, since
a badly designed aircraft suffers severe
buffeting at near sonic speed owing to the
formation of shock waves.
Subject by: Vince Pike