How do I create a slow-motion or speed-up effect?

👉 To change the speed of a full video, follow these steps. 

👉 To create a slow-motion or speed-up effect in a particular part, follow these steps:

1. On the timeline, select the video to which you want to apply the effect
2. Choose Speed from the editing toolbar > tap Speed Curves
   ☑️ The Speed button will appear in the editing toolbar as soon as you tap on your video on the timeline
   
3. Position the yellow line at the point where you want to start the effect
4. Tap the white "+" button to add a speed point
5. Position the yellow line at the point where you want to end the effect > tap the white "+" button again
6. Select the segment whose speed you wish to adjust > use the slider at the bottom to set the desired speed
   
   Pro tip: Use the Ease In and Ease Out buttons for a smoother transition between the segments.
   
   Related article: How do I change my video Speed and photo duration?