80 For the following graph, find the 60 average velocity between the points A- C B, B-C, C-D & D-E. 20 D A 0 t (s) 2 4 6 8 10 12 14 16 18 20 22 24 26 -20 E -40 -60This graph is for the spine tailed swift, the fastest 40 bird known. a) What is the velocity of the bird at these times? 30 4s,12s, 185,28 g 20 b) Calculate the instantaneous acceleration at 20 o 10 seconds. g o Time (s) = 4 8 12 16 20 24 8 32