A falling object with a mass of 2.55 kg encounters 4.0 N of air resistance. What is the acceleration of the object? (Choose up to be the positive direction, and remember the definition of weight).

Question 9 options:

a)

-21 N


b)

-241.0 m/s2


c)

-21.0 m/s2


d)

-8.2 m/s2


e)

8.2 m/s2