"Standing at my door, I heard the discharge of a gun, and in four or five seconds of time, after the discharge, the small shot came rattling about me, one or two of which struck the house; which plainly demonstrates that the velocity of sound is greater than that of a cannon bullet."

Velocity

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About Benjamin Banneker

Benjamin Banneker was an American astronomer, mathematician, surveyor, and author. He is noted for his almanacs and for contributing to the early survey of Washington, D.C.

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