Usain Bolt is considered to be the fastest person on earth. He holds the record for the fastest 100m, which he ran in 9.58(seconds) in 2009. We'll assume that Bolt ran the race at a constant speed. Which of the following equations, where t represents time in seconds and d represents distance in meters, describe a speed greater than Bolt's record-breaking speed in 2009? Choose all answers that apply:

A d=10t

(Choice B)
B
d=10.2t
(Choice C)
C
d=10.4t
(Choice D)
D
d=10.45t