"Standing at my door, I heard the discharge of a gun, and in four or five seconds of time, after the ..." — Benjamin Banneker

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.

Benjamin Banneker Scientist • American