does it take a toy car twice the time to go twice the distance in acceleration

Question

I had to do a Lab project.  It was letting a cart go down a piece of wood with  tape at 30cm, 60cm, 90cm and 120cm.  The time was  ---30cm----.94    60cm--1.19

90cm---1.49    and 120cm----1.81    Question is based on your data, does it take roughly twice as long to go twice the distance (look at first and second distances) with accelerated motion?

Answer 1

no.  2*distans in 2*time is equashun for KONSTANT speed

distans=speed*time