Metres/second² is acceleration. maybe a bit more clarification?
The other structures near the hypothalamus are thalamus and the pituitary gland.
Hypothalamus is located below the thalamus and is part of the limbic system. It is an integral part of the brain, it is a small cone-shaped structure that projects down ward from the brain, ending in the pituitary stalk, a tubular connection to the pituitary gland.
I don't really know the answer but maybe north pole and south pole?
Use the formula below for this question:

re-arrange to solve for a:

now simply plug in your variables and there's your answer :). If you ever get stuck, you can look up the kinematic equations!
Answer:
Star formation occurs most rapidly in the spiral arms, where the density of interstellar matter is highest.