  We study the cosmological dynamics of an effective theory for a strongly
coupled scalar field in the moduli space of $\mathcal{N}=4$ supersymmetric
Yang-Mills theory recently proposed by Silverstein and Tong, called
"D-cceleration". We discuss various Energy Conditions in this theory. Then we
prove the inflationary attractor property using the Hamilton-Jacobi method and
study the phase portrait as well as the cosmological evolution of the scalar
field.
