If a ball is dropped from a height (H) its velocity will increase until it hits the ground (assuming that aerodynamic drag due to the air is negligible). During its fall, its initial potential energy is converted into kinetic energy. If the ball is dropped from a height of 720 centimeters [cm], and the impact velocity is 39 feet per second [ft/s], determine the value of gravity in units of meters per second squared [m/s2 ].
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