This video shows the particles of the infinity sign starting from the floor and then rising to the top to form the infinity sign. This video is available on Alpha Channel.
Infinity Sign Particles on alpha
Alpha Channel: Yes, Frame Rate: 29.97, Resolution: 1920x1080, Video Encoding: ProRes, File Size: 756.16MB, Number of Clips: 1, Total Clip(s) Length: 00:18