Usain bolt is considered to be the fastest person on earth. He holds the record for the fastest 100 m (meters), which he ran in 9.8seconds) in 2009. We'll assume that Bolt ran the race at constant speed. Which of the following equations, where t represents time in seconds and d represents distance in meters, describe a greater speed than Bolts record-breaking in 2009? Choose all answers that apply:

(Choice A)
A) d=10t

(Choice B)
B) d=10.2t

(Choice C)
C) d=10.4t

(Choice D)
D) d=10.45t