The acceleration vector is $\"\"$ .

Tangential component of an acceleration vector $\"\"$ is $\"\"$ .

Normal component of an acceleration vector $\"\"$ is $\"\"$ .

Find tangential component.

Consider $\"\"$ .

Differentiate the above equation with respect to $\"\"$ .

$\"\"$ .

Again differentiate the above equation with respect to $\"\"$ .

$\"\"$ .

Tangential component of an acceleration vector $\"\"$ is $\"\"$ .

Substitute corresponding values in $\"\"$ .

$\"\"$

Tangential component of an acceleration vector is zero.

Find normal component.

Normal component of an acceleration vector $\"\"$ is $\"\"$ . $\"\"$

Now $\"\"$ .

Substitute corresponding values in $\"\"$

$\"\"$ .

Normal component of the acceleration vector is one.

Tangential component is zero.

Normal component is one.