Physics homework help

m1 = 2.00 kg, m2 = 6.00 kg, and ? = 55.0°, find (a) the accelerations of the objects, (b) the tension in the string, and (c) the speed of each object 2.00 s after being released from rest. [ a = 3.57 ms-2, T = 26.7 N, vf = 7.14 ms-1]