To train for a race, Will begins by jogging 11 minutes one day per week. He increases his jogging time by 6 minutes each week. Write the general term of this arithmetic sequence, and find how many whole weeks it takes for him to reach a jogging time of one hour.
A) aₖ = 6k + 5;9 weeks
C) aₖ = 6k+5; 10 weeks
B) aₖ = 6k+ 11; 10 weeks
D) aₖ = - 6k+ 11,9 weeks