The system is released from rest and mass AA moves downward a distance of $2\mathrm{.}4$ ftft$,$ and mass BB moves a distance xx$.$ What is the value of xx$?$ The system is released from rest and mass AA moves downward at a constant speed of $5\mathrm{.}2$ ft$/$sft$/$s$.$ What is the magnitude of the upward speed of mass BB$?$ The system is released from rest and mass AA moves downward with an acceleration of $2\mathrm{.}0$ ft$/$s$2$ft$/$s$2.$ What is the magnitude of the upward acceleration of mass BB$?$