Task: Question Answering
Input (English): Problem: a car traveling at a certain constant speed takes 2 seconds longer to travel 1 kilometer than it would take to travel 1 kilometer at 300 kilometers per hour . at what speed , in kilometers per hour , is the car traveling ? 
Options: a ) 300 , b ) 320 , c ) 330 , d ) 340 , e ) 290
Output (English): a