The smaller the field of view, the smaller the sense of speed. This is the trick games like Wipeout used to give players the illusion of high speed. If you have a game like Quake 3, run around at FOV=80deg, then switch to 120deg - big difference and obvious corelation. The real problem in AH IMO is the lack of details to give that tactile "texture" of speed. Il2 has something funny about it, everything is to scale apparently, and yet everything seems further away than AH by quite a bit.