(Potential flow) The stream function for a two-dimensional, incompressible flow field is given by the equation =2x2y where the stream function has the units of ft2/s with x and y in feet. a) The streamlines for this flow field and the direction of flow along the streamlines are y=x+2, the direction of frlow is down and to the right y=x+2, the direction of frlow is up and to the right y=x2, the direction of frlow is down and to the left y=x+2, the direction of frlow is up and to the left b) Is this an irrotational flow field? c) Determine the magnitude of the acceleration of a fluid particle at the point x=1ft,y=2ft. a(1ft,2ft)= ft/s2