[单选题]
Objects A and B both start at rest. They both accelerate at the do*yv )a3 /a( 5ypoygjsame y4pb*y *p21qgl x;jiurate. However, object A accelerates for twice the time as object B. What is the final speed of object A compared to t1 bxg*p4lj iyp;*u yq2hat of object B?
A. the same speed
B. twice as fast
C. three times as fast
D. four times as fast