And the speeds smaller ones are capable of reaching:
I’m not sure if I can trust that video. I would lean towards some kind oh CGI hoax there. I don’t know how I could explain this flight behavior with any conventional/public drone design. How would it be able to accelerate from that position in that direction so fast? I would be surprised if conventional drones could do such a stunt. Unless something like a „jet or rocket engine“ is propelling it into that direction. Which I can’t see on the drone.