The ride at an amusement park consists of a gondola which is lifted to a height h at A. If it is released from rest and falls along the parabolic track, determine the speed at the instant y = d. Also determine the normal reaction of the tracks on the gondola at this instant. The gondola and passenger have a total weight W. Neglect the effects of friction.

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Given: W = 500 lb h = 120 ft d = 20 ft a = 260 ft