A particle moves along a path according to the equations x = 9 - t 4 /9 and y = t 2 /3 where x and y are in meters and t is in seconds. Determine the magnitude of the acceleratiom (in m 2 /s) of the...

A particle moves along a path according to the equations

    x = 9 - t⁴/9  and  y = t²/3

where x and y are in meters and t is in seconds. Determine the magnitude of the acceleratiom (in m²/s) of the particle in 2.09 seconds. Round off only on the final answer expressed in three decimal places.