Why Usain Bolt Can’t Outrun Your Cat

While you may be King or Queen of your local park run, no matter how much training you do, even if you were to use performance-enhancing drugs, you'll still never outrun the likes of the common house cat. So, what are the determining factors when it comes to the top speed that can be achieved by animals? Michael Gunther is a Researcher in Biomechanics at the University of Stuttgart, he joins Jonathan to discuss. Dr. Shane Bergin & Dr. Lara Dungan also join Jonathan for this week's installment of Newsround.