Question

From a complete stop, a car reaches a velocity of 280 km/s east in 7 seconds.
What is the rate of acceleration?
(1 point)
A. 4 (km/s)/s
B. 7 (km/s)/s
C. 40 (km/s)/s
D. 70 (km/s)/s

Answer 1

I'm not exactly sure but i think its rate divided by time so it would be c. 40

Answer 2

280 km/s / 7 s = C. 40 (km/s)/s