My answers to your quesetions
Image I - I see water spashing around
Image N - bubbles
Image P - what face?
Image V - underwater
Image ZD - another survivor
Image ZU - like most people, this person has two arms
Image ZZD - hard to say without context
A time index for each frame grab would place each still in context, which would be helpful.
The frames are named by the timestamp on my bandicam recording. I noted where any frames were left out. If there’s not a notation then what you see is each frame in the sequence, in chronological order.