[单选题]
Objects A and B both start at rest. They both. .iyfz,gh gx. accelerate at the same randt9*j eah6b2n4u: ffte. However, object A accelerates for twice the time naufthd9 ebn: f4j *26as object B. What is the final speed of object A compared to that of object B?
A. the same speed
B. twice as fast
C. three times as fast
D. four times as fast