s-2 2020-04-29T14:26:16.56Z SI derived unit of second order time derivative per second squared s-2 https://api.github.com/users/kurt-hectic kurt-hectic 2019-10-14T16:36:31.585Z 5 2020-04-29T14:25:37.135Z per second squared SI derived unit of second order time derivative 2022-06-22T12:40:06.527Z