Pierre pushes a hickey puck that is initially at rest on frictionless ice by applying a constant force until the puck reaches a final velocity of 1 m/s. On his second attempt, Pierce wants the hockey puck to reach the same final velocity by applying a force that is twice as large. After the hockey puck has reached its final velocity. Pierce suddenly stops pushing it. The hockey puck... a. reduced speed gradually b. increases speed gradually c. reduces speed abruptly d. continues at a constant velocity e. stops abruptly

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