(Solved): (a) The velocity graph of a car accelerating from rest to a speed of \( 120 \mathrm{~km} / \mathrm{ ...

(a) The velocity graph of a car accelerating from rest to a speed of \( 120 \mathrm{~km} / \mathrm{h} \) over a period of 30 seconds is given below. i. Find a lower estimate for the distance travelled by the car during these thirty seconds. ii. Find an upper estimate for the distance travelled by the car during these thirty seconds.