When parallel rays of light are incident on a particular glass lens ( = 1.5 n=1.5) from the left, the rays focus to a point 15 cm to the right of the lens. You are holding this lens up to your eye when a butterfly flutters toward the lens from the left, as shown. At the instant shown: The butterfly is 20 cm in front of the lens (object distance = 20 cm) Your eye is 30 cm behind the lens The butterfly is moving toward the lens at a speed of 5 cm/s At the instant shown, what do you see as you peer through the lens? Answer choices: (A) Virtual image moving at 0.92 cm/s (B) Virtual image moving at 1.3 cm/s (C) Virtual image moving at 22 cm/s (D) Virtual image moving at 45 cm/s (E) Real image moving at 45 cm/s (F) Real image moving at 22 cm/s (G) Real image moving at 1.3 cm/s (H) Real image moving at 0.92 cm/s (I) None of these