3. Neight of a Rocket over time Height of a Rocket over time -200 -200 -180 -180 - 160 -160 -140 -140 -120 Height (m) -100 Height (m) 80 60 40 2 3 7 8 9 10 5 7 8 9 10 Time (S) Time (s) A rocket is launched. It's height above ground level is plotted as a function of time. a) Use the yellow tangent to estimate the IROC of the height of the rocket at the 5 second mark. b) What is the pink tangent telling us about the motion of the rocket at the 4 second mark