Dang! I didn't know about these contests. I've edited my latest post to fit the requirements (I hope it still counts. I'll make sure to follow from now on.) Here's my entry: Spinning tennis ball
https://peakd.com/liketu/@mrprofessordaily/high-speed-project-spinning-tenis-ball
Fantastic photo you have managed to capture ,There is movement in that ball.
Thank you! It's a tricky shot but well-worth it