A particle moves in a curve along the xy plane that can be described by the equation and is moving in the x-coordinate at a rate of . If the point is at , with the rate of change in the y-coordinate with respect to time to be, , what would be the magnitude of particle's velocity?
. If the point is at 
, with the rate of change in the y-coordinate with respect to time to be, 
, what would be the magnitude of particle's velocity?
. If the point is at (13,27), given that the rate of change in the x-coordinate with respect to time is 
, what would be the magnitude of the particle's velocity?