PRACTICAL SITUATIONS ont 2 The speed-time graph represents a cheetah chasing a gazelle. ***** Speed (m/s) MANONOS 35- 30- 25- 20- 15- 10- 5- 2 4 6 8 10 12 14 16 18 20 Time (s) a Does the top graph represent the cheetah or the gazelle? b Calculate the cheetah's acceleration in the initial stages of the chase. c Calculate the gazelle's acceleration in the initial stages of the chase. d Calculate the cheetah's deceleration at the end.