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 (310, 320) connected to the first power device; and two wheels (110, 120) connected to the two one-way clutches (310, 320), respectively, wherein the two wheels (110, 120) may rotate at different speeds and are supplied with power supplied from the first power device through the one-way clutches (310, 320) connected to the two wheels (110, 120), 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 (310, 320) connected to the first power device; and two wheels (110, 120) connected to the two one-way clutches (310, 320), respectively, wherein the two wheels (110, 120) may rotate at different speeds and are supplied with power supplied from the first power device through the one-way clutches (310, 320) connected to the two wheels (110, 120), 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.