5. ($17.4) Consider the vector field F(x,y) = (-r- y)i +aj. a. Sketch the vector field. If a particle follows a flow line starting at the point (3,3), where will it go as too? b. Show that F(t) = e(t)i + y(t)j is a flow line for provided that dr dy :-(x + y) and dt dt 5. ($17.4) Consider the vector field F(x,y) = (-r- y)i +aj. a. Sketch the vector field. If a particle follows a flow line starting at the point (3,3), where will it go as too? b. Show that F(t) = e(t)i + y(t)j is a flow line for provided that dr dy :-(x + y) and dt dt