Fill out the blank items $(1$ through $15)$ in the figure below. A roller coaster $($with a mass of $150kg)$ starts from rest at point$(2).$

$PE=$

$KE=$

MLE$=$

$v=0\frac{m}{s}$

$PE=$

$KE=$

$ME=$

$v=$

$(4)$

$PE=$

$KE=$

ME $=$

$v=$

$PE=$

$KE=$

$ME=$

$v=$

f