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Find the correct answer for the below calculation:
 
In ten minutes, a train departing from a railway station and moving at a constant speed reaches a speed of \(630\) \(m/s\). What is its rate of acceleration?
 
Train-on-the-Railway-Front-view-54757-pixahive.jpg
  
The acceleration is  m/s2
 
(Note: Submit the answer up to two decimals)