Part 1: How to Speed up or Slow down Videos in iMovie.If you want to speed up videos in iMovie or slow down videos in iMovie and don't know how to achieve it, then you have come to the right place. Speeding up and slowing down videos are very common in movie making. There are many reasons why you want to speed up and slow down video clips, for example, you may want to make a video and do chipmunk voices and low voices by speeding up or slowing down the videos to achieve a better video result.
