Play audio clip based on a rigidbody's collision force, with pitch variance

CollisionAudio.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

[RequireComponent(typeof(AudioSource))]
[RequireComponent(typeof(Collider))]
public class CollisionAudio : MonoBehaviour
{
    [SerializeField] private AudioClip collideSoft;
    [SerializeField] private AudioClip collideHard;
    [SerializeField] private float lowPitchRange = .75F;
    [SerializeField] private float highPitchRange = 1.5F;
    [SerializeField] private float velocityClipSplit = 10F; // under this volume, use soft sound
                                                            // over this volume, use hard sound
    private float velToVol = .2F;
    private AudioSource audioSource;

    void Awake()
    {
        audioSource = GetComponent<AudioSource>();
    }

    private void Reset()
    {
        if (!audioSource) audioSource = GetComponent<AudioSource>();
    }

    void OnCollisionEnter(Collision coll)
    {
        audioSource.pitch = Random.Range(lowPitchRange, highPitchRange);
        float hitVol = coll.relativeVelocity.magnitude * velToVol;
        if (coll.relativeVelocity.magnitude < velocityClipSplit)
            audioSource.PlayOneShot(collideSoft, hitVol);
        else
            audioSource.PlayOneShot(collideHard, hitVol);
    }
}