ORIGINAL: CKLLOYD
TIMBLE ITS NOT S/F THE COMBUSTION WAVE DOES NOT TRAVEL AT THE SPEED OF SOUND. EXSAMPLE IF YOU DROP BOMB INTO THE OCEAN AND IT GOES OFF 10 FEET UNDER THE WATER. THE BOAT A 1\4 MILE AWAY WILL HERE THE SOUND WAVE LONG BEFOR THE COMBUSTION WAVES REACH THE BOAT
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this has nothing to do with the idea that the piston is travelling faster than the speed of sound.
What you are refering to is the pressure wave and the reason is due to attenuation of the pressure wave in water because of the energy released and the mass (density) of the medium through which it is travellinginvolved.
the sound wave is less attenuated since it requires less energy to drive it through air.
This is now off topic. BTW try not to type in caps,its like shouting. If you're going to shout, then at least spell correctly
