Answer:
Vel. of the car = 3.33 meter per second.
Step-by-step explanation:
In given graph, y axis represent the distance traveled by the car and x axis represent the time taken by car.
At time t = 30 seconds , distance traveled by the car is 100 meter
We know that,
Speed =

speed =

speed = 3.33 meter per second
That's the final answer.
I hope it wil help you.