Script problem or Impulse problem?

[RainbowDash]

You've got an impulse of 20. Increase this value dramatically to around probably 200-1000. Should work fine from there. Also make sure that it's launched in the correct direction on the x-axis by using positive or negative numbers.

Listen to this guy. I'm completely new to this thing, but I remember reading that you need an impulse of about 200, maybe even 2000 to even see any action.