Speedometer

using UnityEngine;
using TMPro;

public class PlayerController : MonoBehaviour
{

    //speedometer
    [SerializeField] TextMeshProUGUI speedometerText;
    [SerializeField] float speed;

    private Rigidbody playerRb;

    private void Start()
    {
        playerRb = GetComponent<Rigidbody>();
    }
    void FixedUpdate()
        {
        speed = Mathf.Round(playerRb.velocity.magnitude * 3.6f);
        speedometerText.SetText("Speed: " + speed + "kph");
        }
    }
}