In the Mix Editor, drag the marker to the audio region that you wish to slice. Right-click to open up the editing menu and click on Slice. From here, you can drag your sliced tracks to any part of your project.
Here's a GIF that will help you get started:
- In your Mix Editor, Double-Tap the audio region that you wish to slice.
- Tap Slice.
- From here, you can drag your sliced tracks to any part of your project.