Question

Can someone help me with number 8?

Answer 1

Answer: 18.55 ft/s

Explanation:

Rate of change = change in distance ÷ change in time

= (3126 ft - 1735 ft) ÷ (120 s - 45 s)

= 1391 ft ÷ 75 s

≈ 18.55 ft/s

∴ the rate of change is 18.55 ft/s.