the table shows the position of a cyclist. a) find the average velocity of each time period. b) estimate the instantaneous velocity when t=3

The table shows the position of a cyclist. t (seconds) s (meters) O 1.2 5.4 10.6 17.9 25.3 (a) Find the average velocity for each time period. (i) [1, 3] m/s (ii) [2, 3] m/s (iii) [3, 5] m/s (IV) [3, 4] m/S (b) Estimate the Instantaneous velocity when t - 3. m/S