a = 5.58 radm/m^s2
v at the 1/4 point. You can do that by solving for the time it takes him to go to the 1/4 point
d = 200 m
C = 200 m x 3.14
C = 628 m
D = 1/4 628 m = 157 m
157 m = 1/2 (5.58 radm/m^s2)(t)^2
t = 7.5 s
157 m x 2 / 7.5 s =v2
41.866 m/s = v2
a = 41.866 m/s /100m...