A Point Is Moving Along the Circle $x ^ { 2 } + ( y - 3 ) ^ { 2 } = 5$

Multiple Choice

A point is moving along the circle
$x ^ { 2 } + ( y - 3 ) ^ { 2 } = 5$
In such a way that its x-coordinate is decreasing at a rate of 2 units per second. At what rate is the y-coordinate decreasing at the instant when the point has reached $( - 2,4 )$

A) 8 units per second
B) 6 units per second
C) 3.5 units per second
D) 5 units per second
E) 4 units per second