A Movie Projector That Is $1.2 \mathrm{~m}$ Off the Ground Projects on a Screen

Short Answer

A movie projector that is $1.2 \mathrm{~m}$ off the ground projects on a screen $50.0 \mathrm{~m}$ away. A woman $1.75 \mathrm{~m}$ tall walks from the screen towards the projector at $1.0 \mathrm{~m} / \mathrm{s}$ . How fast is the woman's shadow getting taller when she is $10.0 \mathrm{~m}$ from the projector?