Velocity example, a car moving at a constant 20 kilometres per hour in a circular path has a constant speed, but does not have a constant velocity because its direction changes. Hence, the car is considered to be undergoing an acceleration. Speed describes only how fast an object is moving, whereas velocity gives both how fast it is and in which direction the object is moving. If a car is said to travel at 60 km/h, its speed has been specified. However, if the car is said to move at 60 km/h to the north, its velocity has now been specified.
Hard to Be a God to Earth with utmost speed, as "all that we hold dear should be either in our hearts or on Earth". Before Budah's departure, Rumata asks him a theological question: "what would you ask a god, if he could come from sky and fulfill any of your wishes?". After a long discussion – with Budah wishing and Rumata explaining the dire consequences of each of the wishes, Budah finally states that the only true gift a god could give the people is to leave them to their affairs. To this, Rumata replies that a god cannot bear the sight of their