Answer:
a. 30 meters per second
b. -10 meters per second
Explanation:
a. Average rate of change for the height from 0 to 6.6 secs can be calculated using the formula,

Thus,
Where,


Plug in the values into the formula:



b. Average rate of change for the height from 8.8 to 13.2 secs = tex] m = \frac{H(b) - H(a)}{b - a} [/tex]
Where,


Plug in the values:


