If multiple (N =2), 14 VPMDC gear motors with the following specifications are used to drive a rotational load with the following specifications, determine the percent duty cycle (% DC) in units of percent needed to drive the load at a steady-state speed of WI, ss = 136 pm: Wnl = 977 rad/s, Tstall = 0.82 Nm, Inl = 0A, Istall = 25 A, GR = 16, TL,min = 0.04 Nm, bL = 0.024 Nms/rad