My post is quite clear. They are gameplay clips taken from the first act of the game. The measurements are also accurate in that I can move through the captures frame by frame and physically see the repeated frames. They are not captures of cut-scenes.
I have not taken any captures of wandering about in a small empty room - I mean, what's the point - but I can confirm that there are momentary jumps to 60fps in isolated circumstances, and the slowdown elsewhere is self-evident if you're sensitive to this kind of thing.
Thanks for the response. Since many have played the game, the clips (or even screenshots) will give good visual context on what happened during the clips.
As for wandering in small empty room, I don't exactly know the pre-conditions for 60fps. The IGN article seems to indicate that in some fight scenes, they were also close to 60fps.