Mr Obal jogged going to his grandfather in Barangay Ogtong due north of his house. His travel was described by the graph as shown below: 10 B Velocity (km/hr, North) 3 5 6 8 9 10 Time (hour) Based on the given graph, answer the following questions: 1. At what time after he left his house did he travel the fastest? A. 2 hours B. 5 hours C. 7 hours D. 10 hours 2. At which segment/s of his travel did he accelerate ? A. A only B. B only C. B and D D. A , C, and D 3. At what segment did he accelerated with highest magnitude? A. A B. B C. C D. D