Auto Velocity is a feature in CapCut that lets you change the speed of your video automatically with one click. It can make your video faster or slower depending on the music you add1. To use it, you need to update CapCut to the latest version and follow these steps: Start a new project and add the video you want to edit. Add the music you want to use. You can download some music from this file. Cut the video to match the music duration. Click on the video layer and open the Styles menu. Select and click Auto Velocity. Wait for a few seconds while the effect is being created. Play your video and export it.