An athlete completes 3/4th of a circular track of diameter 100 m in 40 seconds. What is the magnitude of distance and displacement?
a) Distance = 150 m, Displacement = 100 m
b) Distance = 100 m, Displacement = 75 m
c) Distance = 150 m, Displacement = 75 m
d) Distance = 100 m, Displacement = 100 m