Updated: April 22, 2021 13:24 IST The dinosaur's preferred speed was 4.61 kms an hour, close to the walking pace of humans and horses Share Article AAA Visitors look at a 67 million year-old skeleton of a Tyrannosaurus rex dinosaur named Trix during the first day of the exhibition "A T-Rex in Paris" at the French National Museum of Natural History in Paris, France, June 6, 2018. | Photo Credit: REUTERS The dinosaur's preferred speed was 4.61 kms an hour, close to the walking pace of humans and horses (Subscribe to Science For All, our weekly newsletter, where we aim to take the jargon out of science and put the fun in. Click here.)