(i) Acceleration from A to B = \(\frac{change\,in\,velocity}{change\,in\,time}\)= \(\frac{25-0}{3-0}\)= 8.33 m/s2
(ii) Acceleration from B to C = \(\frac{15-25}{4-3}\)= -10 m/s2
(iii) Distance covered in the region ABE = \(\frac12\)× base × height
= × 3s × 25 m/s = 37.5 m
(iv) Average velocity from C to D = \(\frac{initial\,velocity\,+\,final\,velocity}{2}\)
= \(\frac{15-0}{2}\)= 7.5 m/s
(v) Distance covered in the region BCFE =\(\frac12\) × sum of parallel sides x
distance between them =\(\frac12\) × ( 25+15) × 1 = 20 m