I need to add some voice to a video that I made, and I need to see the content while I am speaking. The problem is that the playback of the video is lagging, so I cannot add my voice to the right time in the video. There is a really tiny preview of the video down on the track which would be enough for me to see what I need to say but it is so tiny that I cannot read it - this preview (not the one in the video window, but the little image down on the tracks) would allow me to time my voice better since it is not lagging, but i would need to make it larger to be able to see it - is this possible?