It would be REALLY helpful to have the whole sentence or at least a context.

Grumbler, this has a figurative meaning. Say you have a friend who drinks a lot, and is drinking more and more. You try to tell him that his drinking is affecting everyone around him and starting to affect his work, his friendships and his marriage, but he insists that everything is ok and he has his drinking under control. However, it’s clear to you that that’s not the case, and the more time goes by, the more certain you are that he’s headed for disaster. Watching his addiction play out is like WATCHING A CAR ACCIDENT IN SLOW MOTION.

Well, what about the direct meaning? And, like in English, the meaning can be both direct and figurative.
Of course, 'watching' can be translated slightly differently if this is a part of sentence.

Of course investigators, for instance, can watch a car accident in slow motion to see who caused it, etc. But this phrase is mostly used in the figurative sense, which is why I brought it up.

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Thank you very much!💫