In the video, it can be seen that the amusement ride is a kind of spinning hammer called ‘kamikaze’, and just as it reaches the top of its course, a dog appears in the base area. At that moment, a man decided to throw himself to remove the dog from that place.
Resource:
https://www.google.com/amp/s/culturacolectiva.com/en/entertainment/man-saves-dog-death-amusement-ride/amp/