A box is sliding across a floor at a velocity of +7 m/s when it begins to slow down (decelerate). The box achieves a new velocity of +1 m/s. in 12 seconds.Calculate the box’s rate of acceleration.

The cold protective response may be activated when a person's face is submerged in water that is less than 68 degrees fahrenheit. When a person suddenly drowns in a cold water, immediate numbness occurs which can cause shock and panic. And because you are shocked with what just happened, you feel that everything is going numb which can result to muscle strain and ineptness of the joint. When a person tries to grasp for air, it is water that comes in not air because everything is going numb. After a person feels numb, he will suffer for hypothermia. If nobody can rescue that person, he may become out cold and can die.