How would you phrase this?
You can know how fast one was going before the accident based on/depending on/according to the injuries he has.
Thank you
I'd say eg When someone is in a car accident, you can tell how fast she was going from her injuries.
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I'd say eg When someone is in a car accident, you can tell how fast she was going from her injuries.
You can know how fast one was going before the accident based on/depending on/according to the injuries he has.
based on/depending on/according to are not wrong, but my version sounds more natural.
More natural than 'know' is learn or, idiomatically, tell.
The idea is that first you learn something, and after that you know