HURRY! PLS!

The graph shows the acceleration of a racehorse taking off from a starting gate. By how much did the horse's speed increase between 4 seconds and 6 seconds?

A) 20 m/s

B) 27 m/s

C) 45 m/s

D) 65 m/s



HURRY PLSThe graph shows the acceleration of a racehorse taking off from a starting gate By how much did the horses speed increase between 4 seconds and 6 secon class=