
- -equals mass times
9.8 meters PER second PER second.
The Big Bang Theory Season 3, Episode 10

Based on the number of chirps
PER minute and the temPERature...
The Big Bang Theory Season 3, Episode 2

Four-point-one-eight-five-five times 10
to the seventh ergs PER calorie.
The Big Bang Theory Season 1, Episode 13

Eighteen kilometers PER hour.
Money Heist Season 3, Episode 8

- -equals mass times
9.8 meters PER second PER second.
The Big Bang Theory Season 3, Episode 10