Ill upvote

a roller coaster starts down a hill at 10 m/s. three seconds later, its speed is 32 m/s. what is the roller coaster’s acceleration?

question 1 options:

-7.3 m/s

-7.3 m/s2

7.3 m/s 2

7.3 m/s

answer; i believe that the correct answer is (a) potassium(k)

for step 7 table c on the lab "newtons law of action"   the average time it took the car to travel .25 meters   was 1.92 seconds.

the average time it took the car to travel 0.50 meters was 2.61 seconds

hope this : )