Unity2D Sync falling object with animation

I have an object that falls with gravity:

  if (val == 1)
         {
             pillar1.GetComponent<Rigidbody2D>().velocity = new Vector2(-speed, GetComponent<Rigidbody2D>().velocity.x);
             pillar1.GetComponent<Rigidbody2D>().gravityScale = 1;
 
         } 

Above this falling object I animate the sprite it to animate the path behind the fall:

  if (pillar1.GetComponent<Rigidbody2D>().velocity.x > 1)
         {
             anim.Play("MovePillar");
         }

What I cannot figure out is how can I time these together? As you can see in the image below the object falls out of time when the animation runs. What value can I plug into the animation?