# Chapter 3 - Think and Explain: 56

Emily is closer to being correct. Jacob is thinking about speed, "how fast you go."

#### Work Step by Step

They both need to remember that you can accelerate even if you're not getting any faster or slower, for example, if you go around a curve at constant speed.

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.