I was watching a SciFi tv show where large objects had an outer speed limit of 18000 kph and that got me wondering what things in everyday life are faster than even 500 kph.
I know bullets can be fast, but they are not exactly everyday life (at least in my life).
I included mass for obvious relativistic reasons.
To include the neutrino in a conversation about things “with some mass” borders on silly. But hey, factually correct and all that. May as well include electrons.
Also need to specify rest mass. Light has momentum.
The best kind of correct!