a vex 2-wire 393 SC motor is required to power a mechanical crane(length of 18 inches) and lift a 10 Ib object. The DC motor is circuit-breaker protected ti draw no more than 2.75 Amps, and has a free current of 0.5 A. The motor-current vs motor-torque line-plot has a slope of 0.65 (I=Amps, Torque=in-Ibs.). What is the required gear ratio for this application?