How to slow motion video or a speed up video very easily with mouse wheel ?

1. Upload your video file, play ▶ the video a little bit and pause

2. Double click inside and type over the canvas the video title.

3. Record  and pause before to slow motion video.

4. Hover the upload video icon    and use the mouse wheel 🖱 to reduce the speed from 1 until 0.1

5. Record  and pause before to do a speed up the video playing.

6. Hover the upload video icon  and use the mouse wheel 🖱 to speed up the video from 1 until 3

7. Record   pause then download your video

 

Here is the video example with first a slow motion followed by a speed up of the video :