22.2t+22.2t^2/2a=56 1
13.3t+13.3t^2/2a=24 2
1-2:
8.9t+8.9t^2=64a 3
1+2:
35.5t+35.5t^2=160a 4
35.5/8.9=3.9662921
160/64=2.5
矛盾