Rolling shutter is a phenomenon that has become very apparent with the widespread adoption of digital sensors in cameras. The way in which a sensor scans across its surface means that relative movement can result in the position of objects being different at the end of the scan than the beginning. DSLRs used a digital sensor but a mechanical shutter so weren’t terribly susceptible to this (except when in video mode) but phones and video camera like GoPros have been.
Usually, if I am photographing aircraft with props, I am using my main cameras. (While I now exclusively use electronic shutter on my bodies, the read speed of the sensor is sufficiently high that the rolling shutter effects are barely visible. However, I rode my bike to Popham one Saturday and decided to grab a few pictures with my phone while I was there. The resulting shots have props that are clearly suffering badly from rolling shutter. It is not something I normally get so I actually found it rather funny. That wouldn’t be the case if I had desperately wanted the shot.