Gear $2$ rotates at $1200$ $rpm$ in counter clockwise direction and engages with Gear $3$. Gear $3$ and Gear $4$ are mounted on the same shaft. Gear $5$ engages with Gear $4$. The numbers of teeth on Gears $2$, $3$, $4$ and $5$ are $20$, $40$, $15$ and $30$, respectively. The angular speed of Gear $5$ is
- $300$ $rpm$ counterclockwise
- $300$ $rpm$ clockwise
- $4800$ $rpm$ counterclockwise
- $4800$ $rpm$ clockwise