$\"\"$

The object moves along with the ellipse equation is $\"\"$ .

The motion begins at $\"\"$ in counter clock wise direction.

Since the direction is clock wise, $\"\"$ -positive and $\"\"$ -positive, $\"\"$ and $\"\"$ .

The time required for one complete revolution is $\"\"$ .

$\"\"$

$\"\"$ .

Substitute $\"\"$ in $\"\"$ and $\"\"$ .

$\"\"$ and $\"\"$ , $\"\"$ .

$\"\"$

$\"\"$ and $\"\"$ , $\"\"$ .