It's an old "problem" You have to have a "tag" but there No Other... so a few years ago, I decided to choose 3 (as I had a Mavic 3 at that time) and it stays...
I don't remember, but the warning didn't seem to suggest the whole thing was going to go pear-shaped. I guess the file I posted would answer those questions.
Slowing down frame playback isn't going to create motion blur. The blurriness is just whatever existed in the individual frames. In still photography high speed shutter is used to reduce or eliminate blurriness of a fast moving subject, so...