In the video, a man is seen holding a whiteboard and writing on it with a marker. He starts by writing "V=W" on the board, then proceeds to write "E=Ke" and "r^2" underneath it. He then draws a diagram with an arrow pointing to the right and writes "r" underneath it. The man appears to be explaining a concept related to kinetic energy and potential energy, as he writes out the equation "E=Ke+r^2" on the board. The video seems to be a tutorial or educational content, possibly for a physics or engineering class.