The earth revolves around the sun in an elliptical orbit at a speed of .....per secon4⃣

A) 16.5 km/s B) 22.5 km/s C) 18.5 miles or 29.8 km/s D) ? 1⃣ 16.5 km/s 2⃣ 22.5 km/s 3⃣ 18.5 miles or 29.8 km/s