Please choose the correct answer to the question: Tobias rode his bike on a road for a 2 hr period. On average, he passed a 1 km marker every 3 min during this period. Which of the following was his average speed for this 2 hr period?

Answer1: 10 km/hr Answer2: 15 km/hr Answer3: 20 km/hr Answer4: 25 km/hr

Answer format: answer1/answer2/answer3/answer4