Middle adulthood marks the time period in which some adults face the fabled midlife crisis. what exactly is that? do you think you will go through one, or did you have one? can it be avoided? this section lists options that can be used to view responses.

The Answer is: The midlife crisis occurs in men at about 39 and women at about 44, which is the average halfway point. The realization that 
they are getting older, which is accompanied by physical changes, can be distressful for some people. Often these people in 
crisis engage in activities that help them cope, such as buying a sports car, dating someone considerably younger then 
themselves or wearing clothes that are considered fashionable for a younger person. Midlife crisis also affects a person's 
sense of accomplishment and career progression. Many people feel they have wasted a portion of their lives not pursuing the 
right career or their Goals... 

The midlife crisis occurs in men at about 39, and women about 41-44

Is a  vector quantity  that refers to "the rate at which an object changes its position." imagine a person moving rapidly - one step forward and one step back - always returning to the original starting position. while this might result in a frenzy of activity, it would result in a zero velocity. because the person always returns to the original position, the motion would never result in a change in position. since velocity is defined as the rate at which the position changes, this motion results in zero velocity. if a person in motion wishes to maximize their velocity, then that person must make every effort to maximize the amount that they are displaced from their original position. every step must go into moving that person further from where he or she started. for certain, the person should never change directions and begin to return to the starting position.