The table shows the position of a cyclist. t (seconds) 0 1 2 3 4 5 s (meters) 1.3 4.6 10.5 17.7 24.4 (a) Find the average velocity for each time period. (i) [1, 3] 1 4.6 m/s (ii) [2, 3] 2 5.9 m/s (iii) [3, 5] 3 6.95 m/s (iv) [3, 4] 4 7.2 m/s (b) Estimate the instantaneous velocity when t = 3. 5 x m/s