The Time It Takes for an Object to Fall a Certain

Multiple Choice

The time it takes for an object to fall a certain distance is given by the equation , where t is the time in seconds, d is the distance in feet, and g is the acceleration due to gravity. The acceleration due to gravity on Earth is 32 feet per second squared. If an object is dropped from an airplane, how far will it fall in 4 s?

A) 32 ft
B) 64 ft
C) 16 ft
D) 128 ft
E) 256 ft