The rocket has mass M including the fuel. Determine the constant rate at which the fuel must be burned so that its thrust gives the rocket a speed v in time t starting from rest. The fuel is expelled from the rocket at relative speed v_r. Neglect the effects of air resistance and assume that g is constant.

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Given: M 65000 lb = V = 200 t = 10 s ft S Vr = 3000 8 = 32.2 | S 2 S