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Answered 2010-07-22 10:26:13

This depends on the fuels used (Liquid Oxygen, Hydrazine, etc) the design contours of the nozzles (if we are talking about liquid fuel rocket engines, and pressure pumps, turbo-chargers etc in the rocket body. The velocity of the rocket is dependent on a good many factors including the chemical reactions of the fuels themselves, the specific impulse as it is called, and as with autos, transmission losses due to Plumbing and pipes.

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