Question

A toy car rolling down a ramp is taken pictures of. the distances the car travels between these shots are 0.1, 0.15, 0.17, and 0.19 metres. Divide each distance travelled by the time interval. The time between dots is 0.0415 seconds. The time interval here is 2x0.0415 seconds/0.083 seconds. You will get the speed this way.

Answer 1

I don't really know what time I use to divide the distances with

Answer 2

Divide the distance by the time interval. The time interval here is 0.083 seconds.