If a 20-Kg Object Dropped in Air Has a Terminal

Multiple Choice

If a 20-kg object dropped in air has a terminal speed of 60 m/s, what was its acceleration at 30 m/s?

A) 9.80 m/s2
B) 7.35 m/s2
C) 4.90 m/s2
D) 2.45 m/s2
E) More information is needed to answer this question.