Accelerator

using UnityEngine;

public class Accelerator : MonoBehaviour
{
    float speed = 8.0f;
    float angularSpeed = 360.0f;
    void Update()
 {
    Vector3 dir = Vector3.zero;
    //   dir.x = Input.acceleration.x;
    //    dir.z = Input.acceleration.y;
    dir.x = Input.acceleration.x * -1;
    dir.z = Input.acceleration.y * -1;
     if (dir.sqrMagnitude > 1)
          dir.Normalize();
     dir *= Time.deltaTime;
    transform.Translate(dir * speed, Space.World);
    transform.Rotate(new Vector3(dir.z, 0, -dir.x) * angularSpeed, Space.World);
  }
}