$6\mathrm{.}1\mathrm{.}9.[$Level $1]$ The illustrated ring gear $($Body $2)$ with an inner diameter of $0\mathrm{.}48$ m meshes with the outside of a fixed circular gear $($Body $1)$ of radius $0\mathrm{.}20$ m $.$ If the angular velocity of Body $2$ is $10$kra$\frac{d}{?}$ what is $v_A?$