The Graph in the Figure Shows the X Component F

The graph in the figure shows the x component F of the sum of the forces exerted for 10 s on a 100-kg crate.What is the change in the momentum of the crate during the 10 s that this force acts?

A) -100 kg ∙ m/s
B) -25 kg ∙ m/s
C) 75 kg ∙ m/s
D) -75 kg ∙ m/s
E) 25 kg ∙ m/s