: A solar sail is propelled by sunlight reflecting from a highly reflective surface. Such a sail is released from rest at a distance of $2\mathrm{.}0$ x $1011$ m from the Sun, where the solar sail experiences a net force of $4\mathrm{.}0$ N$,$ directed away from the Sun. The solar sail has a mass of $4000$ kg$.$ Assume the only forces acting are the force from radiation pressure and the gravitational force from the Sun.