On your keyboard, press “CTRL + S” or “CMD + S” on Mac to save the new video. When you are satisfied with the new playback speed and you are sure the video is no longer running in slow motion, close the A/V Controls. In the new pop up window, slide the playback slider to the right as seen in the picture below to increase the playback speed of the video. On the top menu, go to windows and click on “Show A/V Controls” or simply press “CTRL + K” or “CMD + K” for Mac. To do that, open the QuickTime player pro and open the video file you want. Increasing the playback speed to the speed that suits you will do the magic.
One of the easiest ways to disable slow motion in QuickTime player is by increasing the playback speed of the video.
Where is the slow motion button in QuickTime player? 3 tips for QuickTime slow motion you have to know