[anonymous]

Get a dome dish to slow him down, presoak his food and/or add water.
Example of dish https://www.chewy.com/indipets-stainless-steel-slow-pet/dp/135949

Obviously, if his symptoms continue for more than 72 hours or he appears to be in distress, go to the vet.

PS: Don’t free feed (leave food down). And observe during meals, twice a day, measured amounts
You may want to take him to the vet anyway, something may be going on.