Okay. I'll Give Them The Song Then.

 a=-(2π/T)²s

Seeing as how they asked so remedially.

https://twitterwithbraincells.blogspot.com/2022/08/but-having-broken-instead.html

https://us.cnn.com/2022/08/30/us/lewis-clark-college-student-killed-column/index.html

https://www.youtube.com/watch?v=0Tzoe06whdE (Buildings And Bridges, Ani DiFranco, Canon, Audio, Topic)