how many frames per second run in super slow motion?
As the guys note, there are labels that specifically urge caution against such scenarios, which is why you should absolutely not try this at home. As you can see in the video, the guys shatter cup after cup while increasing the frame rate each time until they reach an incredibly slow 343,915 frames per second. According to the duo, the reason for the cool and totally dangerous effect is something called thermal shock.