SpeedUpOnKeyPressed

using UnityEngine;
using System.Collections;

public class SpeedUpOnKeyPressed : MonoBehaviour {

    private PlayerMove playerMove;

    float OriginalSpeed;
    float OriginalAccel;
    float OriginalAirAccel;
    public float newMaxSpeed =15f;
    public float newMaxAccel=95f;
    public float newAirAccel=25f;
    // Use this for initialization
    void Start () {
        playerMove = GetComponent<PlayerMove>();
        OriginalSpeed=playerMove.maxSpeed;
        OriginalAccel=playerMove.accel;
        OriginalAirAccel=playerMove.airAccel;
    }

    // Update is called once per frame
    void Update () {
        if (Input.GetKeyDown(KeyCode.B)) {
            if(playerMove.maxSpeed!=newMaxSpeed) {
                playerMove.maxSpeed=newMaxSpeed;
            }
            if(playerMove.accel!=newMaxAccel) {
                playerMove.accel=newMaxAccel;
            }
            if(playerMove.airAccel!=newAirAccel) {
                playerMove.airAccel=newAirAccel;
            }
            playerMove.animator.SetBool ("SpeedUp", true);
        }
        if (Input.GetKeyUp(KeyCode.B)) {
            if(playerMove.maxSpeed!=OriginalSpeed) {
                playerMove.maxSpeed=OriginalSpeed;
            }
            if(playerMove.accel!=OriginalAccel) {
                playerMove.accel=OriginalAccel;
            }
            if(playerMove.airAccel!=OriginalAirAccel) {
                playerMove.airAccel=OriginalAirAccel;
            }
            playerMove.animator.SetBool ("SpeedUp", false);
        }
    }
}