Use the Photos app to trim the length of videos you take on iPad and adjust the portions captured in slow motion.
Change clip speed in iMovie on Mac - Apple Support (CA)
Change the wallpaper on iPad - Apple Support (CA)
Select, cut, copy, and paste text on iPad - Apple Support (CA)
Take great photos and videos - Apple Support (CA)
How to make a slow motion video on iPhone: A 2023 guide
Edit portraits on iPad - Apple Support (CA)
Send email in Mail on iPad - Apple Support (CA)
Edit photos and videos on iPhone - Apple Support
Find settings on iPhone - Apple Support (CA)
How to edit videos using Premiere Rush on iOS device
Use and customize Control Center on iPad - Apple Support (CA)
Enhance your videos - Apple Support (CA)