A 100 Lb Sack of Potatoes Falls from an Airplane

Multiple Choice

A 100 lb sack of potatoes falls from an airplane. As the velocity of fall increases, the air resistance also increases. When air resistance equals 100 lb, the acceleration of the sack will be ____ m/sec/sec.

A) 0
B) 16
C) 32
D) 9.8
E) 24