Question: During 9.39 seconds a motorcyclist changes his velocity from v1,x = -39.9 m/s and v1,y = 10.1 m/s to v2,x =-28.9 m/s and v2,y = 26.9 m/s.
Part A: Find the components of the motorcycle\'s average acceleration during this process, aav,x and aav,y.
Please show all work so I can fully understand all concepts!