how to control tracking speed for X axis (Input.GetAxis)

How do you make an object move faster/slower along a certain axis? I have an object that moves across the X axis but it moves too fast. I’m using Input.GetAxis:

function Update ()

{
var horiz : float = Input.GetAxis(“Horizontal”);

transform.Translate(Vector3(horiz, 0, 0));

}

Horiz * Time.deltaTime * speed.

Right now, horiz is 1, so it is on,y relevant to direction.