A slow-moving asteroid is spotted 227.9 × 10⁹ m away from the sun, roughly where the orbit of Mars is. From this distance, the asteroid begins falling towards the sun. How fast will it be going when reaches a distance of 149.6 × 10⁹ m from the sun, roughly where the orbit of Earth is? The mass of the sun is 1.99×10³0
A) 23.77 km/s
B) 29.78 km/s
C) 36.86 km/s
D) 42.89 km/s
