Figure shows the distance-time graph for the motion of two vehicles A and B. Which one of them is moving faster?
Vehicle A is moving faster than vehicle B.
Speed is given by the relation,
This relation shows that speed of a vehicle is greater if it covers maximum distance in a given interval of time. The distance covered is compared by drawing a line perpendicular to the time axis, as shown here.
From the graph, it is evident that for a given time t, the distance covered by vehicle A is more than vehicle B. Hence, vehicle A is moving faster than vehicle B.