Sonic Boom
Sonic boom that is produced by an aircraft or other object flying at a speed equal to or exceeding the speed of sound(331 m/s) and that is heard on the ground as a sound like a clap of thunder. When a plane or other aircraft travels at subsonic speed, the pressure disturbances, or sounds, that it generates extend in all directions. Thus why you get the cone that flows around the aircraft. The intensity of the sonic boom is determined not only by the distance between the craft and the ground but also by the size and shape of the aircraft, the types of maneuvers that it makes, and the atmospheric pressure, temperature, and winds. If the aircraft is especially long, double sonic booms might be detected, one emanating from the leading edge of the plane and one from the trailing edge.
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