What is velocity ? please answer me quickly Share with your friends Share 0 Sarah Kohli answered this Dear friend velocity is the displacement of an object in a given period of time .. It is a vector quantity ... V=s/t hope this helps solve your doubts !!! 0 View Full Answer Shabana Yasmin answered this Velocity is a vector quantity, of speed with direction. 0 Ayantika Datta answered this Velocity is displacement per unit time. It is a vector quantity since it has both magnitude and direction. It's SI unit is m/s. 0 Harshit Singh answered this Velocity is a vector quantity which has both magnitude and direction. It's unit is metre per second (m/s). 1