A tutorial on making slow-motion special effects for Fast Movie: 1. Open the fast movie, select the video to edit, and then click Finish.
2. Click the Adjust button at the bottom, and then click the video file in the clip area.
3. Find the starting position in the video file that needs to be played in slow motion, and then click the "Split" button.
4. Then find the ending position in the video file that needs to be played in slow motion, and click the "Split" button.
5. In this way, the video parts that need to be slowed down will be separated. After selecting the independent part of the video, click the "variable speed" function at the bottom.
6. Drag the circular icon to slide to the left to slow down the video playback. Then click the "Save" button on the right.
7. Play to see the effect. If there are no other questions, click the "Export" button in the upper right corner to complete the operation steps of video slow motion.