11.44 Two automobiles A and B are approaching each other in adjacent highway lanes. At t = 0, A and B are 1 km apart, their speeds are VA = 108 km/h and VB 63 km/h, and they are at points P and Q, respectively. Knowing that A passes point Q 40 s after B was there and that B passes point P 42 s after A was there, determine (a) the uniform accelerations of A and B, (b) when the vehicles pass each other, (c) the speed of B at that time. A VA = 108 km/h PL = 1 km te VB = 63 km/h B