What's the difference between the speed and velocity of an object?

question 1 options:

speed refers to the distance an object travels over time, whereas velocity represents the speed only at a given moment.


speed refers to the distance the object travels only, whereas velocity accounts for the acceleration of the object.


speed refers to the distance an object travels per unit of time only, whereas velocity also indicates the direction of travel.


speed accounts for the distance traveled and the direction, whereas velocity considers only the distance traveled per unit of time.