Let v(t) represent an object’s velocity, in feet per minute, at time t minutes. Which of the following is the best
interpretation of v′(1) = 6?

The velocity of the object after 1 minute is 6 feet per minute.
The displacement of the object during the first minute is 6 feet.
The total distance traveled by the object during the first minute is 6 feet.
The acceleration of the object after 1 minute is 6 feet per minute squared.