I don't know how fast Sully was going. My Muffin was going very slow - just fast enough to keep her going!
She had a docile personality and trusted me, so she'd let me do things with her. I was right beside her, too. I am an over-protective mommie. I was with her and I am with Kacee. You might check this site. They have every dog food known to man:
http://www.petfooddirect.com