A system comprising: a race car adapted to perform non-powered driving by using gravity and momentary acceleration by using a power unit; and a server, wherein the race car comprises a first power device configured to supply power to the race car when the race car is momentarily accelerated; two one-way clutches connected to the first power device ; and two wheels connected to the two one-way clutches , respectively, wherein the two wheels may rotate at different speeds and are supplied with power supplied from the first power device through the one-way clutches connected to the two wheels , respectively, when the race car is momentarily accelerated, and where the race car further comprises: a communication unit configured to transmit driving information of the race car to the server, and receives a control signal of the first power device for momentary acceleration from the server when the driving information of the race car satisfies a specific condition; and a control unit configured to control the first power device based on the control signal received by the communication unit , wherein the control signal is configured to control the first power device such that the race car travels at a preset speed for a preset period of time, wherein the specific condition is at least one of a travel distance and a travel period of time of the race car and a location of the race car , and wherein the racing car is adapted to perform momentary acceleration under the control of the server, and wherein the server is adapted to communicate with another racing car. a race car adapted to perform non-powered driving by using gravity and momentary acceleration by using a power unit; and a server, wherein the race car comprises a first power device configured to supply power to the race car when the race car is momentarily accelerated; two one-way clutches connected to the first power device ; and two wheels connected to the two one-way clutches , respectively, wherein the two wheels may rotate at different speeds and are supplied with power supplied from the first power device through the one-way clutches connected to the two wheels , respectively, when the race car is momentarily accelerated, and where the race car further comprises: a communication unit configured to transmit driving information of the race car to the server, and receives a control signal of the first power device for momentary acceleration from the server when the driving information of the race car satisfies a specific condition; and a control unit configured to control the first power device based on the control signal received by the communication unit , a communication unit configured to transmit driving information of the race car to the server, and receives a control signal of the first power device for momentary acceleration from the server when the driving information of the race car satisfies a specific condition; and a control unit configured to control the first power device based on the control signal received by the communication unit , wherein the control signal is configured to control the first power device such that the race car travels at a preset speed for a preset period of time, wherein the specific condition is at least one of a travel distance and a travel period of time of the race car and a location of the race car , and wherein the racing car is adapted to perform momentary acceleration under the control of the server, and wherein the server is adapted to communicate with another racing car. <EOS>