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AC Thump every ~20 seconds?

Hey everyone, seeing if anyone has experienced this or if this is normal.

Lately I've noticed that I can hear and FEEL this "thump/knock" every 20-30 seconds or so coming from the front of the car, particularly while stopped or parked.

I've narrowed it down to what's shown in the video. You hear this part (I don't know what it's called) spin up and suddenly stop, causing the thump, every 20-30 seconds.

Early 2020 model, so no heat pump.