If you are going to be sharing the WITW videos with your participants via Zoom, you can optimize you video sharing to help with the video and sound quality. This particular how-to is only if you'll be playing the video clip full screen.
Starting a new screen share and optimizing for full-screen video
Click the Share Screen button located in your meeting controls.
Select the screen you want to share and select Optimize for full-screen video clip.
Click Share Screen.
Start playing your video in full-screen while sharing your screen.
Optimizing for full-screen video while screen sharing
Click More in the screen share controls. (three horizontal dots)
Click Optimize Share for Full-screen Video Clip to enable it.
Start playing your video while sharing your screen.