3.
A skydiver is travelling at 9.2 ms‐¹ through the air until her parachute opens, when she slows to
2.5 ms-1 in 3 s.
(a) What is her acceleration after the parachute opens? -2.33
2.5-9.2
3-2.33
(b) Explain why her acceleration in (a) above is a negative number.​