Rolling-1

\begin{flalign*} v_{A}&=v_{A,O}+v_{O,Earth} &\\ &=v_{A,O}-v_{P,O}& \\ &=\vec{\omega}\times \vec{r} - \vec{\omega}\times (-\vec{R})& \\ &=\vec{\omega}\times(\vec{r}+\vec{R})&\\ &=\vec{\omega}\times \vec{\rho}& \\ \end{flalign*}
Rolling-2