At the instant = 60, the boys center of mass G has a downward speed v

At the instant θ = 60°, the boy’s center of mass G has a downward speed v_G = 15 ft/s. Determine the rate of increase in his speed and the tension in each of the two supporting cords of the swing at this instant. The boy has a weight of 60 lb. Neglect his size and the mass of the seat and cords.

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10 ft -G