Keyboard as Mouse and more speed

[Orestes leal <orestesleal13022@cha.jovenclub.cu>]

Hi Folks, I run THIS:

xmodmap -e "keysym Num_Lock = Num_Lock Pointer_EnableKeys"

Then, I can work with my numeric keyboard to act as mouse, but,
I want more speed that the default, any help?

Best,
Orestes.