What b getting you on hard?

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

When the force acting on an object points at least partially in the direction of the motion the work done is considered to be negative

Assume similar data for the motion of the blood in your aorta. estimate how many beats of the heart it will take the blood to get from your heart to your brain. (assume that the distance from your heart to your brain is 30 cm)