9. Which of the following refers to the rate of change in velocity?
a. velocity
b. speed
c. force
d. acceleration
10. If Melissa runs at an average speed of 8 kph for 6.5 hrs, how far does she travel?
a. 52 km
b. 42 km
C. 32 km
d. 22 km
(need po now plss)​