Are those lights really fresnels? They don't appear to be. I didn't see a lens.
That depends on the editing software you use. It requires slowing the footage down (a.k.a. "conforming" it) to the speed you want it to play back at, however as of yesterday the URSA now allows you to set a separate project time code base that is independent of the fps you are shooting at. So, for example, you could shoot a video at 80fps, but then the video would automatically play back in slow motion and 24p.
Okay so I have a question... why? Why spend so much money and time creating a beach set for a single perspective shot with flat lighting? Is there something in the scene that merits this? I've only ever worked on location so maybe it's just ignorance... but who not just shoot this on a beach and be done with it?