For the tire pressures and tread used in this test, the power lost to rolling resistance is larger than that lost to aerodynamic drag for speeds below 10 mph (16 kph). Above this speed the aerodynamic ...

Each diagonal pair of hooves (a front foot and the back foot on the opposite side) hit the ground at the same moment when a horse moves at about 16 kph in a three-beat way, followed by a rest ...