This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.
  The increase of the lengths suggest that the the cart is accelerating. The increase from strip to strip were equal so it means, the change of change of velocity with the constant time is also equal.