A three-phase, 125-hp, 60Hz, eight-pole, 575-V, design B induction motor is to be operated from a 50-Hz system. Determine (a) allowable voltage at 50 Hz; (b) allowable shaft load in horsepower; (c) new synchronous speed; (d) shaft speed assuming a slip of 2.1 percent; (e) shaft torque at 2.1 percent slip.