Which statement is true? group of answer choices a) an object that is slowing down while traveling in the negative x-direction always has a positive acceleration. b) an object that is speeding up while traveling in the negative x-direction always has a positive acceleration. c) an object that is slowing down always has a negative acceleration, regardless of the direction it travels. d) an object that is speeding up always has a positive acceleration, regardless of the direction it travels. e) an object that is slowing down always has a positive acceleration, regardless of the direction it travels.
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