Just change these values to what you like.
line#45-52...z=z-?,...x=x-?
larger #'s make the box move faster.
For the rotation change line#55 a#=a#+?
the larger the number the faster thing rotate.
I am running a PIII600 128m geforce4 440 128m and i get around 95
to 105 fps without the use of sync.