Observe the given distance-time graph
Identify the respective speeds of the body when it moves from O (Origin) to A and B to C.
2 km h−1,4 km h−1
When body moves from O to A, speed = Slope of OA
=(2−01−0)=2 km/h
When body moves from B to C, speed = Slope of BC
=(4−22.0−1.5)=4 km/h