$1.$ Robin $($R$)$ and Sanji $($S$)$ are riding a merry$-$go$-$round that is spinning steadily. Sanji is twice as far from the axis as is Robin, as shown below. How do their angular velocity and angular acceleration compare?

A$)$ R $$ s and R $$ S

B$)$ R $$ s and R $>$ S

C$)$ R $=$ s and R $$ S

D$)$ R $=$ s and R $=$ S

$2.$ A car is speeding up while driving over a circular hill. Where does the acceleration vector of the car point when it's at the top of the hill $($at the dot$)?$

A$)$ D

B$)$ A

C$)$ B

D$)$ C