(9) The table shows the position of a cyclist. (8 points) t (seconds) 0 1 2 3 4 5 5 feet 0 1.5 6.0 13.5 24.0 37.5 (Express answers using appropriate units.) a) Find the average velocity over the time period [1.4]. b) Estimate the instantaneous velocity of the cyclist at t=1 as accurately as possible using either method learned in this class. Clearly explain what you are doing. Grid is provided in case you want to use it. 14 13 12 1'I 1O "-4019 mama: ho