To find the average time for a sphere, you would need to know the start time and end time of the motion, and then calculate the difference between the two. To find the average velocity, you would need to know the distance traveled by the sphere and the time it took to travel that distance, and then divide the distance by the time.
It's important to note that velocity is a vector quantity and it has both magnitude and direction. To find the average velocity, you would have to divide the total displacement by the total time. You also need to make sure that the sphere is moving in a straight line, otherwise you would have to use calculus to find the average velocity.