A video card is what your computer uses to display things on your monitor, so if you are reading this you have a video card.... Now a video accelerator is probably a 3d add-on card, witch works in union with you 2d card... and are for running 3d game ect. This is what you need if it says Hardware acceleartor needed, you need a voodoo or voodoo 2 card... So video card you have, accelertor, you buy.....
ok
Esq.
Does this help?