According to special relativity, how fast does my dog have to go to age the same as me if one calendar year is equal to seven dog years?
Short answer: About 99% of the speed of light Long answer: “Dog years” is a bit of a made-up thing, just meant to show that dogs have a lifespan about 7x shorter than a human on average. There’s no timey wimey madness there. No one can say for sure how different species experience time. How would you even